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-rw-r--r--test/fixedbugs/issue59190.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/fixedbugs/issue59190.go b/test/fixedbugs/issue59190.go
new file mode 100644
index 0000000..48273ea
--- /dev/null
+++ b/test/fixedbugs/issue59190.go
@@ -0,0 +1,39 @@
+// errorcheck
+
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package p
+
+import "unsafe"
+
+type E [1 << 30]complex128
+
+var a [1 << 30]E
+var _ = unsafe.Sizeof(a) // ERROR "too large"
+
+var s struct {
+ _ [1 << 30]E
+ x int
+}
+var _ = unsafe.Offsetof(s.x) // ERROR "too large"
+
+// Test case from issue (modified so it also triggers on 32-bit platforms).
+
+type A [1]int
+type S struct {
+ x A
+ y [1 << 30]A
+ z [1 << 30]struct{}
+}
+type T [1 << 30][1 << 30]S
+
+func _() {
+ var a A
+ var s S
+ var t T
+ _ = unsafe.Sizeof(a)
+ _ = unsafe.Sizeof(s)
+ _ = unsafe.Sizeof(t) // ERROR "too large"
+}